Skip to main content
Log in
Texas Instruments INA280A3IDCKT — Analog & Data Acquisition

TI INA280A3IDCKT Current Sense Amplifier, 900 kHz, SC-70-5

MPNINA280A3IDCKT
End of Life

Texas Instruments INA280A3IDCKT, Current Sense Amplifier, 1 Circuit, 900 kHz -3dB Bandwidth, 2V/µs Slew Rate, 2.7V to 20V Supply, SC-70-5, -40°C to 125°C.

$2.82Ref. price · indicative, final on quote
Texas Instruments INA280A3IDCKT datasheet (PDF)
Packaging5-TSSOP, SC-70-5, SOT-353
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

INA280A3IDCKT specifications
ParameterValue
MountingSurface Mount
Amplifier typeCurrent Sense
Voltage - input offset15 µV
Voltage - supply span2.7 V
Current - supply370µA
Current - input bias20 µA
Operating temperature-40°C ~ 125°C (TA)
-3db bandwidth900 kHz
PackageTape & Reel (TR); Cut Tape (CT)
Slew rate2V/µs
Case5-TSSOP, SC-70-5, SOT-353
Number of circuits1

Product details

Current sense amp for tight loops

The Texas Instruments INA280A3IDCKT is a single-channel current sense amplifier in a SC-70-5 package. It monitors shunt voltage on a 2.7 V to 20 V supply rail and delivers a 900 kHz bandwidth — enough to catch fast load transients in a power-stage feedback loop or a motor-phase current profile.

Supply range and temperature coverage

Supply span is 2.7 V to 20 V. Operating temperature range is -40°C to 125°C.

Housed in a 5-lead SC-70-5 (also listed as SOT-353), the part takes minimal board area. The single-channel design keeps routing simple: one shunt input pair, supply, ground, and output. Surface-mount assembly only.

No end-of-life notice has been issued.

Frequently asked questions

Is INA280A3IDCKT obsolete or active?

The INA280A3IDCKT is listed as Active. No discontinuation notice has been issued, so it remains suitable for new designs and production builds.

What is the bandwidth of the INA280A3IDCKT?

The -3 dB bandwidth is 900 kHz. That bandwidth supports fast current-loop response in switching power supplies and motor drives.

What is the pinout of INA280A3IDCKT?

The INA280A3IDCKT uses a standard 5-lead SC-70-5 pinout. The functional pins are: shunt positive input, shunt negative input, supply, ground, and output. Refer to the TI datasheet for the exact pin numbering.